Home / 1,124,410.20-1,686,615.30-652,309.80

Finding the Fourth Proportional to 1,124,410.20, 1,686,615.30 and 652,309.80

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Solution

The fourth proportional to 1,124,410.20, 1,686,615.30 and 652,309.80 is: 978,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,410.20 : 1,686,615.30 = 652,309.80 : x
  2. Step 2: Convert to fraction form
    1,124,410.20/1,686,615.30 = 652,309.80/x
  3. Step 3: Cross multiply
    1,124,410.20x = 1,686,615.30 × 652,309.80
  4. Step 4: Simplify right side
    1,124,410.20x = 1,100,195,689,019.94
  5. Step 5: Solve for x
    x = 1,100,195,689,019.94/1,124,410.20
  6. Step 6: Final answer
    x = 978,464.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.